Hello @bala198222
To fix the issue, follow these steps:
On the protected server, open Registry Editor, and then add the SessTimeout registry entry as shown under the following subkey:
HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters SessTimeout REG_DWORD 1200
https://learn.microsoft.com/en-us/troubleshoot/system-center/dpm/bare-metal-recovery-backup-fails
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